Ship stabilizer



Aug; 19, 19%

.1.' .HENGIEL SHIP STABILIZER Filed Sept. 2O 1923 2 Sheets-Sheet l Aug; 1924 J. JIENGIEL SHIP STABILIZER 2 Sheets-Sheet 2 Filed Sep. 20. 1923 Patentes aug. i9, i924.

Tf ES NT `ori-igcafy :Io-HN JIENGIEL, or scnnnfron, rnnnsrnvenia, Assis-non ci?y ONE-HALF froh-,ki y

WINGENTY JASUTA. Oi? MINooKA, PENNSYLVANIA. i

sind? fsnasitrzna.

Application mea september 2o, was. semi No. 663,816.

To all, whom t may concer/n: t i

Be it known that I, JOHN JrnNGinn, a

Pennsylvania, have inventedkycertainy new and useful In'iprovements 1n Ship Stabilizers, of which the following is a specification.

This invention relates to certain new and useful improvements in ship stabilizers and has for its primary object to providey a plurality of stabilizing floatsA associatedfwith opposite sides kof aboat or, shipl to reduce pitching and rocking of the ship.

Another `object of the invention is to provide a stabilizer for ships. in .the form of collapsible `pneumatic floats adapted `when out ofk use to be folded for assuming positions adjacent 'the side walls of the ship, and when operatively positioned extend in horizontal directions outwardly of the ship with `brace bars disposed thereabove to retain the floats properly positioned.

`With the above andother objectsr in view as the nature of the invention isibetterfunderstood, the same consists ofr the novel form, combination and arrangement of] parts hereinafter more fully, described, shownin the accompanying drawings and claimed.

In the drawings, `wherein like reference characters designate corresponding parts throughout the several views, p

Figure 1 diagrammatically illustrates by dotted lines, a ship in top: plan view, equipped with the stabilizer forming the basis of this invention,

Figure 2 is a side elevational view'of the same, Figure 3 is a cross-sectional view taken on line III-III of Fig. 2 showing vone of the stabilizing floats in its extended operativer position with the brace rods overlying the same to prevent upward movement thereof7 Figure 4 is a detail sectional view, similar to Fig. 3 showing the stabilizing float in its inoperative retracted position,

Figure 5 is an enlarged side elevational view of the float in its extended operative position showing the covering hood therefor when retracted and the drum and cable for retracting the same,

Figure 6 is a detail sectional view taken on line Vlr-VI of Fig. 2 showing'the inner construction of the stabilizing float, and

, Figure 7 is a fraginentarykdetail sectional y, i view showing the limiting rope'sffork the stabilizing floats; preventing over-inflation thereof. l 'f The stabilizing floats are associated' with cpposite'fsides of the ship 1, thefloat 4being formed of waterproof material, such as rubber or the' like,l and preferably rectangular information embodying upper vand-lower walls 2 and 3 respectively, endwallsi and inner and outer walls 'and ',6 respectively@ TheI outerlwall 6 is reinforced by a metallic I ,plate 7 secured theretoas at'8,"fwhilethe inner '.wall `is similarly` reinforcedfby a metallic plate 9 lthatis securedl theretowith angular-ly'` bent ends,` 10 that engage the end rWalls l asshowyniin Figs. y6 and?. Bracket arms 11 'are carriedby the side` wall ofL the ship 1- and a pivot` rod 12 extends through the bracket armsy 11fand the bent ends 10y of the reinforcing plate y.for hingedly mountingthe stabilizing float upon the lside lwall of ,theship v'The stabilizing floats are adapted to be inflated and separatingy movey' ment ofthe inner and outer walls 75", andy 6 thereof is 7limited :by the cords 13* anchored at their endsjrin the angularly bent ends 10 of the plate 9, and inthe opposite ends of the rcinforeing'platef?. these cords preventing undue longitudinal stretching f of'lfthe; floats :when thesame are inflated.-y H The inflating means for the `stabilizing floats includes an air` pump 14 supported fon the ship 1 having a pipe line "15 extending therefromn proximity of each one of theV stabilizing floats arranged at oppositey sidesr of thel ship as clearly shown in Fig. 1. Branch pipes 16 provided with controlling valves 17 extends from ythe pipe line 15 to each stabilizingfloat, a flexible hose 18 conting movement of the float relative to the branch pipe as will be obvious from an inspection of Figs. 3 and 4.

when u1@ stabilizing rions are desea-.d 10d wardly of the hook 19. To shift the stabil- 105 izing 'floats to their inoperative positions, 'a cable 20` secured as at 21 to the outer end of V the stabilizing. float, the cable 2O passing up- ;wardly within the hood 19` and over the guide pulley'y 22 to be received upon the 110ik necting the branch 16 to thefloat permit-` l Figs. 3 to5 to project theffpiston rods 25 'fromk theouter ends of the cylinders v24 to overlie *the stabilizing floats asshown in Fig. 3 to maintain the same in ahorizontal position Vby vcooperation with the ycable and drum mechanism above described. V

WVith the stabilizing'floats inflated and in their operativepositions as "shoWnin Figs. l to 3, the ship iis effectively stabilized and rocking and .pitchingmovements thereof are considerably reduced, the Ypiston rods 25 overlying the stabilizing floats preventing upvvard movement thereof, While the ffloats are maintained in intimate engagementivith the ipiston rods by the rcable Vand Winding drum mechanism. lnretiactingt-he stabilizing vviioats to their inoperative positions as shown'in Fig. 4l, air is exhausted from the float by opening thevalves 17, it vbeing understood that the ipump 14; has ceased oper'- ation, the pistonrods 25 being then retracted I into the' cylinder 24 and the cable drum mechanism operated for Winding the cable 2O upontheldrum23 ,to ndraw the outer end fof the float into thehood 19, positioning the st-abilizing floats adjacent the upper edge of the ship and substantially abovethe water line.

thep'pre'ferredembodiment ofthe present invention, it is nevertheless to be understood that `minor changes may *be made therein `Whilev there is herein shown and described y Without departing from the spirit and scope 45 of the invention as claimed.

lVhat is claimed as new is l. In ,a ships stabilizer, a plurality of infiatablemembershingedly mounted at each side of the ship, each member being formed Lof a Waterproof casing having cords connecting the inner and outer ends to limit stretchingfupon iniiation, a cable and drum associated With each member forietracting the same to inoperative position, a unitary air supply for the several members, meansr for retaining the inflated members horizon- 'tally positioned when projected for s'tabliz-r in operation, the hinged mounting -for the 'in ata-ble members including a metallic reinforcing strip Within the inner end of the members, bent endscarried by thestrip, brackets .carried by the ship, and ay pivot rod extending through the bent ends of the strip and the brackets.

2. In a ships stabilizer, a plurality of inflatable members hingedly mounted at each' side ofthe ship, each member'fbeing formed of a Waterproof casinghaving cords connecting the 'inner and outer-ends to limit stretching upon iniiation, a cable and drum associated with each .member for retracting the saine to inoperative position, aunitary air supply for the several members, a `pluralityl of telescoping rods carried by the *ship having'groups.associated With each ,inflatable member adapted to overlie the mein'- bers When projected to retain the same horizontally positioned, the hinged mount-Ky ing -for the inflatable members yincluding a metallic reinforcing strip Within the inner endl of the member, bent ends carried by the'strip, 'brackets carried by the ship j and a pivot vrod extending throughthe bent ends ofthe strip ,and the brackets.

j :In testimony 'whereof I aiiiX-,my signature.

JOHN JIENG'IEL. 

